Solid material comminution or disintegration – Apparatus – Comminuting surface provided with openings to permit...
Patent
1978-10-25
1980-04-22
Goldberg, Howard N.
Solid material comminution or disintegration
Apparatus
Comminuting surface provided with openings to permit...
2412732, B02C 1818
Patent
active
041991125
ABSTRACT:
In a food processor with a power base and lid-covered bowl, a cutting disc is rotated by a shaft extending into and terminating in the bowl, and structure is provided to reverse the shaft rotation on selection. In this general arrangement, an improvement is provided in the cutting disc comprising a first cutting member on the disc surface facing in the direction of the selected shaft rotation and a second cutting member is provided on the same disc surface facing opposite the first cutting member with the cutting members being substantially diametrically opposite for dynamic balance. The cutting members are preferably on different levels on the disc surface with slanted ramps connecting the levels. The arrangement is such that one of the cutting members performs a cutting operation when the disc is rotated in one direction while the other member is rendered inoperative and, on shaft reversal, the other member performs the cutting operation while the one member becomes inoperative. The disc may be reversible with an additional pair of diametrically opposed cutting members on the opposite disc surface to provide up to four different cutting functions all on a single disc by reversing the disc and reversing the rotation.
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patent: 3892365 (1975-07-01), Verdun
Cullen John F.
General Electric Company
Goldberg Howard N.
Platt Leonard J.
Powers George R.
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